Ratio: Definition – Examples When we compare two quantities or numbers and determine “how many times” first number is of second number. orwe can say how two quantities are compared with each other. Example: In a class there are 3 boys and 2 girls. […]
Read More →Multiplication of Ratios 1. Find the ratio of following. (a) 3×4/2×8 (b) 7×6/1×9 […]
Read More →Trigonometric Ratios of Some Specific Angles Trigonometric Ratios Here are Trigonometric Ratios of some Specific angles, 00, 300, 450 , 600 and 900. Example: (1) Find the value of sin600 cos300 + sin300 cos600 Values of Trigonometric Ratios from above table, sin 600 = √3/2, […]
Read More →Solutions of Trigonometric Ratios (1) If sin A = 4/5, find the other trigonometric ratios of the angle A. Solution: Let us draw a right △ ABC in which ∠B = 900 We know that, sin A = 4/5 = BC/AC Therefore, if BC =4k, then AC = 5k, where k is a positive number. Now, using […]
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